Episode Title:Day of the Living Gelatin - Elementary My Dear Stacy.Episode Description:Day of the Living Gelatin: The boys are inspired to make gelatin in their pool after Candace tells them to do something with their dessert. But, when Dr. Doofenshmirtz demonstrates his newest invention, the "Turn Everything Evil-inator", it literally brings the gelatin to life.
Elementary My Dear Stacy: The family and Stacy visit London, where Stacy and Candace investigate the boys' newest scheme (a water slide from the top of Big Ben that ends on the London Eye) in the style of Sherlock Holmes. Meanwhile, Perry collaborates with a James Bond-esque British spy, Double 0-0 or 00 0, to foil Dr. Doofenshmirtz's plan to move Big Ben to Danville as an alternative to reading his tiny watch.